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nightly regression: <code>#[doc(alias)]</code> does not resolve across crate re-imports

C-bugCategory: This is a bug.Category: This is a bug.

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open.

#152939 In rust-lang/rust;

· Bromeon opened on Feb 21, 2026

Irrefutable pattern warning is confusing when pattern is on RHS

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#152938 In rust-lang/rust;

· Wilfred opened on Feb 21, 2026

[ICE]: <code>arg name already exists</code>

C-bugCategory: This is a bug.Category: This is a bug.

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

requires-debug-assertionsThis issue requires a build of rustc or tooling with debug-assertions in some wayThis issue requires a build of rustc or tooling with debug-assertions in some way

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#152936 In rust-lang/rust;

· matthiaskrgr opened on Feb 21, 2026

Tracking issue for release notes of #151603: Stabilize <code>str_as_str</code>

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#152920 In rust-lang/rust;

· rustbot opened on Feb 20, 2026

rustdoc: In specific circumstances, links to <code>core</code> items in item signatures are now broken (beta → nightly regression)

C-bugCategory: This is a bug.Category: This is a bug.

E-needs-mcveCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable ExampleCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example

P-highHigh priorityHigh priority

regression-from-stable-to-nightlyPerformance or correctness regression from stable to nightly.Performance or correctness regression from stable to nightly.

S-has-bisectionStatus: A bisection has been found for this issueStatus: A bisection has been found for this issue

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open.

#152917 In rust-lang/rust;

· fmease opened on Feb 20, 2026

Symbol order in executable unstable with v0 mangling when -Cmetadata changes

A-name-manglingArea: name mangling / decorationArea: name mangling / decoration

A-reproducibilityArea: Reproducible / deterministic buildsArea: Reproducible / deterministic builds

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

Status: Open.

#152910 In rust-lang/rust;

· bjorn3 opened on Feb 20, 2026

<code>generic_const_exprs</code> causes code to fail compilation even if the feature is not used

C-bugCategory: This is a bug.Category: This is a bug.

F-generic_const_exprs`#![feature(generic_const_exprs)]``#![feature(generic_const_exprs)]`

P-lowLow priorityLow priority

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#152905 In rust-lang/rust;

· nastynaz opened on Feb 20, 2026

Emit better diagnostic suggestions for trait implementations on tuples

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#152903 In rust-lang/rust;

· weiznich opened on Feb 20, 2026

Tracking Issue for <code>#[diagnostic::on_unknown_item]</code>

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

Status: Open.

#152900 In rust-lang/rust;

· weiznich opened on Feb 20, 2026

[ICE]: <code>import.imported_module.get().is_none()</code>

C-bugCategory: This is a bug.Category: This is a bug.

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#152895 In rust-lang/rust;

· cushionbadak opened on Feb 20, 2026

Tracking issue for release notes of #152210: Gate #![reexport_test_harness_main] properly

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-rust-analyzerRelevant to the rust-analyzer team, which will review and decide on the PR/issue.Relevant to the rust-analyzer team, which will review and decide on the PR/issue.

Status: Open.

#152894 In rust-lang/rust;

· rustbot opened on Feb 20, 2026

[ICE]: <code>foreign item sig</code>

C-bugCategory: This is a bug.Category: This is a bug.

F-extern_item_impls`#![feature(extern_item_impls)]``#![feature(extern_item_impls)]`

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#152893 In rust-lang/rust;

· cushionbadak opened on Feb 20, 2026